Finding the Fourth Proportional to 36,790,140.32, 55,193,759.12 and 12,529,277.92
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Solution
The fourth proportional to 36,790,140.32, 55,193,759.12 and 12,529,277.92 is: 18,796,828.21
Step by Step Solution
- Step 1: Write the proportion equation
36,790,140.32 : 55,193,759.12 = 12,529,277.92 : x - Step 2: Convert to fraction form
36,790,140.32/55,193,759.12 = 12,529,277.92/x - Step 3: Cross multiply
36,790,140.32x = 55,193,759.12 × 12,529,277.92 - Step 4: Simplify right side
36,790,140.32x = 691,537,947,464,014.62 - Step 5: Solve for x
x = 691,537,947,464,014.62/36,790,140.32 - Step 6: Final answer
x = 18,796,828.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.